How to configure a Tomcat cluster on Ubuntu

Apache Tomcat is the most popular open-source Java web server. If your web site is expecting more traffic as your business grows, a single instance of Tomcat will probably not scale with the growing traffic. In that case, you might be thinking to run Tomcat in a “clustered” environment, where web server workload is distributed […]
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How to diskless boot a Linux machine

Diskless booting implies that a client computer does not have any disk storage when booting an operating system. In that case, the computer can load the kernel as well as the root filesystem from a remote NFS server over network. It may use several different methods to load the kernel and the root filesystem from […]
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How to set up Samba as a Primary Domain Controller

A domain controller is a server which groups multiple computers to centralize their authentication system. When you are using a domain controller, you don’t login to your computer, but instead login to the domain controller. Every authentication request is handled by the Primary Domain Controller (PDC). Usually you hear about PDC using a Windows based […]
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How to set up Internet connection sharing with iptables on Linux

In this tutorial, I’ll explain how to share a single Internet connection among multiple devices on Linux. While consumer-grade WiFi routers have become mainstream nowadays, making this problem a non-issue, suppose you don’t have one at home. However, say you have a Linux box already assembled with a modem and a LAN card. The modem […]
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